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參數(shù)資料
| 型號(hào)： | ICS950220yFLF-T |
| 英文描述： | Programmable Timing Control Hub⑩ for P4⑩ |
| 中文描述： | 可編程定時(shí)控制中心，為小四至⑩⑩ |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 183K |
| 代理商： | ICS950220YFLF-T |
4
Integrated
Circuit
Systems, Inc.
ICS950220
0467F—07/28/05
General SMBus serial interface information
How to Write:
Controller (host) sends a start bit.
Controller (host) sends the write address D2
(H)
ICS clock will
acknowledge
Controller (host) sends the begining byte location = N
ICS clock will
acknowledge
Controller (host) sends the data byte count = X
ICS clock will
acknowledge
Controller (host) starts sending
Byte N through
Byte N + X -1
ICS clock will
acknowledge
each byte
one at a time
Controller (host) sends a Stop bit
How to Read:
Controller (host) will send start bit.
Controller (host) sends the write address D2
(H)
ICS clock will
acknowledge
Controller (host) sends the begining byte
location = N
ICS clock will
acknowledge
Controller (host) will send a separate start bit.
Controller (host) sends the read address D3
(H)
ICS clock will
acknowledge
ICS clock will send the data byte count = X
ICS clock sends
Byte N + X -1
ICS clock sends
Byte 0 through byte X (if X
(H)
was written to byte 8)
.
Controller (host) will need to acknowledge each byte
Controllor (host) will send a not acknowledge bit
Controller (host) will send a stop bit
ICS (Slave/Receiver)
T
WR
ACK
ACK
ACK
ACK
ACK
P
stoP bit
X
Index Block Write Operation
Controller (Host)
Slave Address D2
(H)
Beginning Byte = N
WRite
starT bit
Byte N + X - 1
Data Byte Count = X
Beginning Byte N
T
Slave Address D2
(H)
starT bit
WR
WRite
RT
Slave Address D3
(H)
Repeat starT
RD
ReaD
Beginning Byte N
Byte N + X - 1
N
P
Not acknowledge
stoP bit
Index Block Read Operation
Controller (Host)
Beginning Byte = N
ACK
ACK
Data Byte Count = X
ACK
ICS (Slave/Receiver)
X
ACK
ACK
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